Press cuttings relating to A E Borthwick and the Scottish art world with a group of cuttings concerning Borthwick Castle and preservation work on Merchiston Castle., 1935-1952, undated., MS.10481. Correspondence and papers of the artist Alfred Edward Borthwick and his family., MSS.10393-10491. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/23056 Accessed September 23, 2024.